Use case
Claude Opus 4.8 image input
image input notes for claude-opus-4-8: the rate card, a worked volume, and when to send this ID. A sample of 1 million input tokens plus 200 thousand output tokens is about $2.00 on corouter (input $1.00, output $1.00).
Images count as input
Claude Opus 4.8 lists Vision. Image tokens bill at the input rate of $1.00. Generated text still bills at the output rate of $5.00.
Claude Opus 4.8 is listed with these modalities: Chat, Vision, Reasoning.
This ID
Claude Opus 4.8 matches the Opus 5 list rate and window, without the Opus 5.5 cache-read cut. Send claude-opus-4-8 to keep an Opus 4.8 client unchanged.
A sample of 1 million input tokens plus 200 thousand output tokens is about $2.00 on corouter (input $1.00, output $1.00).
Questions
- Which model ID should the request send?
- Send claude-opus-4-8. Do not put a different name in the model field.
- What is the minimum top-up?
- Prepaid credits, $5 minimum top-up, no subscription tier.

